NTSB investigations
26 cases where NTSB found Propeller feather/reversing.
Cases per year
| 2008 | 2 |
|---|---|
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 3 |
| 2014 | 1 |
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1 WHERE c.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01046123')) ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01046123')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ERA24LA223Accident · No injuriesClass 3 · LimitedFinal reportBeechcraft TC-12B · Lehigh Acres, FLThe asymmetric reverse thrust during the landing roll for reasons that could not be determined, resulting in the flightcrew’s inability to maintain directional control and a subsequent runway excursion.NTSB ERA23FA274Accident · 3 fatalClass 3 · FieldFinal reportPiper PA-30 · Claxton, GAThe flight crew’s improper fuel management, which resulted in the airplane’s right engine being starved of fuel and its subsequent total loss of power.NTSB ERA22LA237Accident · Minor injuriesClass 3 · LimitedFinal reportDiamond DA42 · Lehighton, PAThe flight instructor’s inadequate supervision of the flight and his failure to secure the right engine following an unsuccessful engine restart attempt, which resulted in the airplane’s inability to maintain altitude and a subsequent off-airport landing.NTSB WPR22LA114Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 208B · Oceanside, CAThe pilot’s intentional inflight operation of the propeller in beta, which led to an aerodynamic lock, his inability to restore forward thrust, and subsequent collision with terrain.NTSB CEN22LA085Accident · No injuriesClass 3 · LimitedFinal reportBeech A100 · West Helena, ARThe malfunction of the propeller autofeather system after takeoff for undetermined reasons, which resulted in both propellers going into feather and a hard landing.NTSB ERA20CA296Accident · No injuriesClass 4 · Data collectionFinal reportBeech 55 · Nashville, TNThe pilot's inadvertent feathering of the propellers during the landing flare, which resulted in a hard landing. A factor in the accident was the instructor's failure to fully monitor the pilot's manipulation of the levers in the airplane's non-standard…NTSB ERA20LA202Accident · 2 fatalClass 3 · LimitedFinal reportPiper PA23 · San Juan, PRThe pilot’s intentional operation of the airplane with known deficiencies of the left engine and subsequent in-flight loss of control after takeoff. Contributing to the loss of engine power was internal contamination of the left servo fuel injector.…NTSB ERA20CA112Accident · Minor injuriesClass 4 · Data collectionFinal reportBeech 58 · Augusta, GAThe pilot's failure to land and stop the airplane within the available runway, which resulted in a runway overrun. Contributing to the outcome was the pilot's inadvertent feathering of both propellers during approach to landing.NTSB ANC19LA046Accident · No injuriesClass 3 · LimitedFinal reportCessna 208B · Lahaina, HIThe pilots’ failure to maintain a proper approach speed and their decision to continue the approach for landing, which resulted in the airplane landing long and a subsequent runway overrun.NTSB CEN19LA056Accident · 2 fatalLimited investigationFinal reportDouglas DC3C · Kidron, OHThe loss of airplane control after an engine flameout and auto-feather system interruption during the takeoff climb, which resulted in an impact with terrain.NTSB ERA19FA060Accident · 2 fatalClass 2 · FieldFinal reportCessna 335 · Fort Lauderdale, FLThe pilot's improper decision to fly the unairworthy airplane and his failure to feather the left propeller following a partial loss of power from the left engine after takeoff. Also causal was the partial loss of power to the left engine due to detonation.NTSB CEN17LA284Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT802 · Reyno, ARThe pilot’s inadvertent use of the propeller control, which caused the propeller to feather while in flight with the engine still operating, resulting in a loss of thrust and a subsequent forced landing.NTSB CEN16FA172Accident · 1 fatalField investigationFinal reportCessna 310F · North Little Rock, ARThe pilot's failure to promptly feather the left propeller upon the initial loss of engine power shortly after takeoff and his failure to maintain airspeed while maneuvering with one engine inoperative, which resulted in a loss of control at a low altitude.…NTSB ERA16LA026Accident · 1 fatalLimited investigationFinal reportPiper PA31 · Weston, FLThe pilot's feathering of the incorrect propeller following a total loss of right engine power due to fuel starvation, which resulted from maintenance personnel’s failure to reinstall the flapper valve in the right main fuel tank. Contributing to the accident…NTSB ERA15LA343Accident · Serious injuriesLimited investigationFinal reportDehavilland DHC-6 · Louisburg, NCThe propeller’s movement to the beta position during landing for reasons that could not be determined during postaccident examination and testing, which resulted in an attempted go-around and subsequent loss of airplane control.NTSB ERA15FA221Accident · 1 fatalField investigationFinal reportBR Legend Turbine Legend · West Columbia, SCAn engine flame-out due to fuel starvation as the result of an improperly-installed auxiliary fuel pump fitting, and the pilot's failure to promptly feather the propeller following the engine-flame out, which resulted in decreased glide capability and impact…NTSB ERA15FA129Accident · 4 fatalField investigationFinal reportBeech 1900 · Miami, FLThe left engine propeller's uncommanded travel to the feathered position during takeoff for reasons that could not be determined due to impact damage. Contributing to the accident was the flight crew's failure to establish a coordinated climb once the left…NTSB CEN14LA476Accident · Minor injuriesLimited investigationFinal reportPiper PA-46-350P · Cortez, COThe flight instructor’s delayed decision to abort the simulated engine out maneuver, his failure to unfeather the propeller before restoring engine power, and his inadequate airspeed management, which led to an aerodynamic stall at low altitude.NTSB ERA12FA423Accident · 1 fatalField investigationFinal reportPiper PA-31P · Dalton, GAThe pilot’s failure to maintain airplane control following loss of power in the right engine for reasons that could not be determined because of fire and impact damage. Contributing to the accident was the pilot’s delayed feathering of the right propeller…NTSB DCA12FA051Accident · 2 fatalClass 1 · FieldFinal reportConvair 440 - NO Series · San Juan, PRthe flight crew's failure to maintain adequate airspeed after shutting down the right engine due to an in-flight fire in one of the right augmentors. The failure to maintain airspeed resulted in either an aerodynamic stall or a loss of directional control.NTSB ERA12FA146Accident · 1 fatalField investigationFinal reportAerostar PA-60-601P · Philadelphia, MSThe pilot’s failure to maintain directional control during takeoff following loss of power to the left engine due to fuel starvation. Contributing to the loss of control was the pilot’s failure to feather the left propeller following the loss of left engine…NTSB ERA11FA458Accident · 1 fatalField investigationFinal reportCessna 310Q · Tupelo, MSThe pilot’s delayed reaction in performing the engine failure procedures and his failure to maintain adequate airspeed, which resulted in a loss of airplane control. Contributing to the accident was maintenance personnel’s improper torquing of the B-nut…NTSB ERA10LA284Accident · Minor injuriesLimited investigationFinal reportCessna 337G · High Springs, FLThe pilot's failure to follow the published engine-out procedures after a total loss of power in the rear engine. Contributing to the accident was the inadequate maintenance and inspection of the engine by the pilot and maintenance personnel.NTSB ERA09LA469Accident · 1 fatalLimited investigationFinal reportRaytheon 58 · Teterboro, NJThe complete loss of thrust due to the second-in-command’s (SIC) inadvertent feathering of both propellers during a high-speed, low-altitude approach. Contributing to the accident was the pilot-in-command’s inadequate monitoring of the SIC’s performance.…NTSB ERA09LA108Accident · Serious injuriesLimited investigationFinal reportBeech E18S · Fort Myers, FLThe failure of the right propeller to go to the feathered position for undetermined reasons following a total loss of right engine power during initial climb due to fuel starvation as a result of the pilot's improper fuel planning.NTSB ANC09LA009Accident · Minor injuriesLimited investigationFinal reportConstrucciones Aeronauticas CASA-212 · Toksook Bay, AKThe flight crew’s inability to adjust/increase power to the right engine during the landing approach due to an in-flight disconnect of the engine power control linkage, resulting in a loss of control of the airplane. Contributing to the accident was the…